Albinism (Without Melanin Pigmentation) Is a Recessive Trait

question 1

Multiple Choice

Albinism (without melanin pigmentation) is a recessive trait. A man and woman who both have normal pigmentation have one child out of three who has albinism. What are the genotypes of this child's parents?

• A) One parent must be homozygous for the recessive allele; the other parent can be homozygous dominant, homozygous recessive, or heterozygous.
• B) One parent must be heterozygous; the other parent can be homozygous dominant, homozygous recessive, or heterozygous.
• C) Both parents must be heterozygous.
• D) One parent must be homozygous dominant; the other parent must be heterozygous.

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Definitions:

Unconscious Drives

Motivations for behavior that an individual is not fully aware of, often stemming from hidden or repressed desires.

Psychoanalytic Theory

A conceptual framework developed by Sigmund Freud that describes the structure of personality and the forces that shape personality development, serving as the foundation for psychoanalysis.

Cognitive Theory

A theory of psychology that emphasizes mental processes such as perception, memory, decision-making, and problem-solving as the basis of understanding behavior.

Unconscious Drives

Deep-seated motives and desires that influence an individual's thoughts and behaviors, often without their conscious awareness, rooted in Freudian psychology.